1 #include <stdio.h>
2
3 static struct sss{
4 char f;
5 long double a[10];
6 } sss;
7
8 #define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16)
9
main(void)10 int main (void) {
11 printf ("++++Array of longdouble in struct starting with char:\n");
12 printf ("size=%d,align=%d\n",
13 sizeof (sss), __alignof__ (sss));
14 printf ("offset-char=%d,offset-arrayof-longdouble=%d,\nalign-char=%d,align-arrayof-longdouble=%d\n",
15 _offsetof (struct sss, f), _offsetof (struct sss, a),
16 __alignof__ (sss.f), __alignof__ (sss.a));
17 printf ("offset-longdouble-a[5]=%d,align-longdouble-a[5]=%d\n",
18 _offsetof (struct sss, a[5]),
19 __alignof__ (sss.a[5]));
20 return 0;
21 }
22